The Ministry of the Interior and Kingdom Relations (Dutch: Ministerie van Binnenlandse Zaken en Koninkrijksrelaties; BZK) is the Dutch Ministry responsible for Home Affairs, Civil service, Intelligence and the relations with the other countries in the Kingdom of the Netherlands. The Ministry was created in 1798 as the Department of internal police and monitor the state of dikes, roads and waters of the Batavian Republic and in 1876 became the Ministry of the Interior and had several name changes before it became the Ministry of the Interior and Kingdom Relations in 1998. The Ministry is headed by the Minister of the Interior and Kingdom Relations, currently Ronald Plasterk.

The ministry is currently headed by one minister and one state secretary. It employs almost 3,000 civil servants. The ministry's main office is located in the centre of The Hague in the same building as the ministry of Justice. The civil service is headed by a secretary general and a vice-secretary general, who head a system of four directorates general:

The Directorate General for Public Administration

The Directorate General for Management and Personnel Policy

The Directorate General for Constitutional Affairs and Kingdom Relations.

The ministry was founded in 1798 as the department for internal policy and supervision on the state of water works in Batavian Republic. Since 1801 it has been named Ministry of the Interior, and some other responsibilities have been added to its name: Agriculture (1922-1932) and Kingdom Relations (1998-date). Between 1959 and 1998 a minister was given the portfolio of relations with Surinam, the Dutch Antilles and Aruba in addition to his other portfolios before that, there was a minister of Colonial Affairs, which was called Overseas Affairs after 1945.